Home / 154,831.60-232,463.40-99,017.20

Finding the Fourth Proportional to 154,831.60, 232,463.40 and 99,017.20

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Solution

The fourth proportional to 154,831.60, 232,463.40 and 99,017.20 is: 148,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,831.60 : 232,463.40 = 99,017.20 : x
  2. Step 2: Convert to fraction form
    154,831.60/232,463.40 = 99,017.20/x
  3. Step 3: Cross multiply
    154,831.60x = 232,463.40 × 99,017.20
  4. Step 4: Simplify right side
    154,831.60x = 23,017,874,970.48
  5. Step 5: Solve for x
    x = 23,017,874,970.48/154,831.60
  6. Step 6: Final answer
    x = 148,663.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.